T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..3 introduced in row major order.

A204351

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..3 introduced in row major order.

Terms

    a(0) =9672a(1) =540324a(2) =540324a(3) =30378276a(4) =109655775a(5) =30378276a(6) =1708802980a(7) =22275534255a(8) =22275534255a(9) =1708802980a(10) =96125591660a(14) =96125591660

External references